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Investigation of Intermodulation Distortion Reduction Technique for Multi-Channel Fiber-Radio Transmission in Heterogeneous Access Networks

机译:异构接入网络中多通道光纤传输互调失真减少技术的研究

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Broadband millimeter-wave (mm-wave) wireless access with optical fiber transport incorporating optical single sideband with carrier (OSSB+C) modulation has been shown to overcome dispersion with the potential to provide untethered connectivity [1]. In a multiple radio environment the performance of the fiber-radio system is severely limited by the nonlinearity of the optical frontend [2] and is further aggravated by fiber nonlinearities [3]. Therefore it is essential to improve the linearity of the optical frontend in such applications [4]. It is also essential to merge wireless and wireline access environments to create transparent heterogeneous access architectures [5]. Recently we have proposed and demonstrated a linearization technique for OSSB+C modulated signals that can simultaneously support baseband transmission for wireline access application [6]. In this paper, we extend the work to encompass a detailed characterization of the proposed linearization technique and investigate the trade-offs using simulations.
机译:宽带毫米波(MM波)与光纤传输的无线接入包含具有载体的光学单边带(OSSB + C)调制,以克服分散的电位,提供不醚连接[1]。在多个无线电环境中,光纤无线电系统的性能受到光学前端[2]的非线性的严重限制,并且通过纤维非线性进一步加剧[3]。因此,必须改善这些应用中的光学前端的线性[4]。合并无线和有线访问环境也是必不可少的,以创建透明的异构访问架构[5]。最近我们已经提出并展示了用于OSSB + C调制信号的线性化技术,可以同时支持有线访问应用的基带传输[6]。在本文中,我们扩展了涵盖了所提出的线性化技术的详细表征,并使用模拟调查权衡。

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